Flat grain wood looks quite beautiful, but lacks the natural strength to hold its shape for many years.ONLY vertical grain hemlock which can expand and contract without the warping and cupping.

Wood (2)

30%--40% are vertical grain wood

15%-25% are vertical grain wood.

Thickness of plank

6--6.5mm

3mm-6mm

Keeping appropriate moisture content directly influence the durablity and firmness of sauna. Some agressive factories states they boiled hemlock spruce before kiln dry. We've tested and proved that Hemlock spruce will become dark if boiled.

Coated with fadeproof fuzz which can insulate 90% heat, thus prevent being burned.

Fuzz are non fadeproof, and some factories even don't use cloth fuzz at all.

Package

Every package passes the "Droping Test" ensuring the best protection effects onto sauna during transportation.

Few does the droping test.

Royal Saunas have been looking for the best packaging way. For 3-person sauna and above, we use 3 cartons. Doing this increases cost, however we think it is worthy. Consumers in USA will get a sauna as good as that in our factory, China.

Due to Royal Saunas' rich wood production experiences, professional facilities, skilled workers, strong R&D team as well as strict qaulity control system, we are always confident in that Royal Saunas are capable to meet the interests of your market. Sincerely hope more and more people can enjoy the healthy benefits of infrared under the endeavor of we both.